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Metro LL is the 2nd installment, only Metro Exodus has RT and Enhanced Edition is the one with the best implementation.The last game I've seen with full RT and good performance that justify it, along with no accompanying issues (lagging GI, noise all over the place, very blurry image caused by TAA on most effects etc.) was Metro LL - that IS a benchmark for me of what's possible. More modern games, they turn on RT/PT and that's it. Are they technically better? No, in most cases it's a regression in my eyes - there's no better physics, no better AI, no more realistic RT effects, there's just much higher system requirements. Did RT suddenly become more computationally expensive or is it a case of lazy devs using off the shelf solution without actually doing any work themselves? From NVIDIA article about said Metro "Ordinarily, this level of detail would require gigabytes of system memory and GPU VRAM, but thanks to a highly efficient streaming system Last Light’s world uses less than 4GB of memory, and less than 2GB of VRAM, even at 2560x1440 with every setting enabled and maxed out.". I don't think I need to add more here. We're not moving forth with graphical fidelity, we're moving forth with laziness of devs and people like DF excusing it, instead of pushing for better development, along with blaming gamers for having too weak hardware. The audacity of that, when we know already current hardware is fast enough to handle it, just horribly utilised. Then 5k series arrives and what will we get? Even less FPS in next games, with same overall fidelity, I can bet. Because 30FPS is more cinematic?
Can you imagine running modern game looking like Metro LL on 2GB vRAM?
That's one of the main complaints I have and it stems directly from the fact current GPUs are nowhere near fast enough for full PT - you have to have a lot of shortcuts, which results with horrible noise and blurriness plus lags, ghosting etc. in movement, all caused by temporal accumulation. This is one of the reasons I think, that Jensen H. said himself GPUs aren't and can't be fast enough unless they also use various AI on top to correct everything. We've already seen a bit of that, I expect even more with 5k series to be shown. Problem with that is that hardly any games use what we already have, so many years more will pass before we see it more widespread.
I'm talking about in motion, who gives a **** about screenshots. And that's the issue, the uncanny valley effect is more pronounced even though "on paper" they're higher quality. The reality tho is that they're nowhere near the quality of Last of Us 2, during cutscenes, and that was made years ago on way worse hardware. That IJTGC holds quality constant between gameplay & cutscenes isn't a plus to me because I'd rather them juice it up for cutscenes so that it looks more convincing instead of uncanny (and the closer you get to realistic the quicker that effect comes into play). Hell, Xbox's very own Halo already proved this choice to be better with what they did for Halo 5 cutscenes. In fact, even if we go for open world fp games, we already have Cyberpunk doing a better job for their main characters (in gameplay too!), and given the vastly greater scope of open world they could've been excused for not being top tier. Just during cutscenes there's also the Spiderman games doing great in terms of animations (but worse for the character quality). The list can go on and on.
You cannot turn RT off in any UE5 game, and some more recent games not using UE.
I have to say, I accidentally turned on Ray Reconstruction in CP2077 once and I thought my GPU was broken. The boiling, grain and ghosting was awful.
Yep, one of the AI algorithms that actually is a must to have any sensible visual quality with full PT, it seems. Still near not present in other games, sadly. That said, there are many modern games not using full RT which have similar issues with noise, because the effects they implemented are just of really bad quality - like Black Ops 6. Main reason I never finished it, as so much noise and sizzling everywhere and game is often in dark areas, hence it's very visible. Awful visual thing to me!
My graphics settings reset and it turned RR on with just regular RT, not PT. I'm on a 3080 so PT isn't viable in the slightest. Turned it off and everything looked ok again. Took a good bit of googling though!
Right, makes sense.
Recommended for the performance reasons, yes. Obviously, we'll never get 1k per pixel in real time, that's not even feasible with any imaginary tech coming in the next 10-20y, considering physics' limits. But, 10+ rays per pixel and proper resolution could be enough for the AI to push it forth with sensible results, without so much temporal accumulation needed (and all the issues coming with it). Offline rendering engines, like Blender, advise 64-128 per pixel are good enough for quick preview (still very noisy) and final image 500-1000. However, for actually good production quality it should be even over 2000. It amazes me some around here imagine that we can get anywhere comparable quality with just few per pixel, even with all the fancy denoising and AI included. Something has to give, one can't cheat physics (but one can self-delude).
Exactly, which is most likely one of the reasons NVIDIA's CEO underlines it's not going to happen by brute force, it will have to be something AI-based instead. But the main point is - we're not there yet, by far not. There are big number of visual issues and one can (as I do) argue that we likely took a wrong turn, pushed by marketing into this blind road, instead of thinking this through properly first. Not baked-in lights (it really isn't black and white like that!) but likely things based on voxels - like NVIDIA promoted before RTX times, which already passes lighting accuracy tests (same like RT does) but doesn't have such huge performance and image quality hits. In other words - smarter approach, not trying to brute force like this.
